public class Demo1Constant{
	public static void main(String[] args){
		System.out.println(1);
		System.out.println(-1);
		System.out.println(3);
		System.out.println(10-3);
		System.out.println(10*3);
		System.out.println(10/3);
		System.out.println(10.0/3);
	}
}